Two children are playing on stools at a restaurant counter.Their feet do not reach the

Chapter 11, Problem 50

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Two children are playing on stools at a restaurant counter.Their feet do not reach the footrests, and the topsof the stools are free to rotate without friction on pedestalsfixed to the floor. One of the children catches atossed ball, in a process described by the equation10.730 kg # m2 2 12.40 j^ rad/s 21 10.120 kg2 10.350 i^ m2 3 14.30 k^ m/s 25 30.730 kg # m2 1 10.120 kg2 10.350 m22 4v S(a) Solve the equation for the unknown v S . (b) Completethe statement of the problem to which thisequation applies. Your statement must include thegiven numerical information and specification of theunknown to be determined. (c) Could the equationequally well describe the other child throwing the ball?Explain your answer.

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